spirit the first singleea was the only track in which all three members of nirvana, lead singer, kurt cobain, and the bassist and drummer, received the writing credit. ? ? surprisingly the song which many consider an anthem of generation x was not a hit at first. >> it certainly was not a hit. nobody really expected this song to be a hit. never mind to be a hit. the label would have been happy if it sold 50,000 copies of this album. it ended up selling 10 million copies. the song's music individually had a lot to do with its o with success. it's hard to remember a time when mtv showed music videos they did. it was this one. it was a big deal. this video was different. it was dark. it was moody. but it was -- different. >> reporter: the song climbed to number 6 on the billboard chart. and smells like teen spirit has gone on to be considered one of the captioning funded by cbs >>> it's monday, september 12th, 2016. this is the "cbs morning news." >>> after months of questions surrounding her clinton stumbles through a real health scare, dehydrated and dealing with pneumonia. how sunday's episo